The present work aimed to record the first presence of abnormal age rings in Cathorops spixii lapillus otoliths from Cananeia-Iguape Estuarine-Lagoon Complex (CIELC), Southern region of Brazilian coast. In August 2018, 59 specimens of C. spixii (Siluriformes, Ariidae) were collected during one station sampling in the northern (n = 25) and another in the southern sector (n = 33) of CIELC. In general, among the otoliths that presented age ring alterations, this divergent zone was observed in opaque and translucent layers, on the right side, between the fifth and seventh age rings.


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How to Cite
MORAIS, Igor Souza de; AZEVEDO, Juliana de Souza. THE FIRST REPORT OF ABNORMAL AGE RINGS IN OTOLITHS LAPILLUS OF ARIIDS CATFISH. Boletim do Instituto de Pesca, [S.l.], v. 47, june 2021. ISSN 1678-2305. Available at: <>. Date accessed: 26 may 2022. doi:
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